| Elena of|
| Theodore II Laskaris (m. 1235)|
Irene Doukaina Laskarina, John IV Laskaris
Anna Maria of Hungary, Ivan Asen II of Bulgaria
Andrew II of Hungary, Ivan Asen I of Bulgaria, Gertrude of Merania, Elena-Evgenia, wife of Ivan Asen I
Bela III of Hungary, Agnes of Antioch, Berthold, Duke of Merania, Agnes of Rochlitz
Ivan Asen II of Bulgaria, John IV Laskaris, Constantine Tikh of Bulgaria, Theodore Komnenos Doukas, John III Doukas Vatatzes
Elena Asenina of Bulgaria Wikipedia
Elena of Bulgaria was an empress consort of Nicaea, married to Theodore II Laskaris (r. 1254–1258). She was daughter of Bulgarian Emperor Ivan Asen II and Anna Maria of Hungary.
Elena was the sister of emperor Kaliman I of Bulgaria and princess Tamara of Bulgaria. Her maternal grandparents were king Andrew II of Hungary and Gertrude of Merania. On the paternal side, Emperor Ivan Asen I of Bulgaria and Elena of Bulgaria.
She was betrothed to Baldwin II of Courtenay, the last Latin emperor before marrying Theodore.
Her husband died in 1258 and their son, John IV Laskaris, who was only seven years old, became emperor.
Elena and Theodore had three children:John IV Laskaris, emperor between 1258 and 1261
Irene Doukaina Laskarina, who married Constantine Tikh of Bulgaria (r. 1257-1277)
Maria Doukaina Laskarina, who married Nikephoros I Komnenos Doukas of Epirus.